Controversy Erupts Over Wine Substitution at Michelin-Starred Restaurant Mosu

by Kang Min seon Posted : May 11, 2026, 11:01Updated : May 11, 2026, 11:01
Photo from Ahn Seong-jae and Eun Dae-hwan's SNS
[Photo from Ahn Seong-jae and Eun Dae-hwan's SNS]

A controversy has arisen at the Michelin three-star fine dining restaurant Mosu, operated by Chef Ahn Seong-jae, regarding a wine substitution incident. Eun Dae-hwan, a sommelier formerly with the Ritz-Carlton Hotel, has shared his perspective on the matter.
Recently, Eun posted a lengthy message on his social media account. He stated, "Today, Chef Ahn Seong-jae posted a more detailed explanation of the situation. I believe it aligns closely with the unofficial information I had heard, and I was surprised by how much speculation can escalate from mere assumptions."
He expressed concern, saying, "More than anything, I worry about the difficult decisions that the staff might have to make. While the service at a restaurant of Mosu's caliber was inappropriate, I have also had moments of panic that led to absurd responses throughout my nearly 30-year career, and I often regret how I handled such situations."
Eun acknowledged that while it might be hard for customers to understand, such incidents can occur in the service industry. He speculated, "The pressure on the staff working at a three-star restaurant like Mosu to reclaim their status may have contributed to their bewildering response, which likely left them feeling upset as well."
He added, "Of course, the chef is affected by this, but the fact that this incident has gained so much attention is due to his reputation. I hope he can set aside any grievances and encourage the staff to regain their confidence and provide service with assurance. I have known the Mosu manager for a long time and believe that many rumors are unfounded. I wish everyone strength during this time."
However, netizens reacted strongly to Eun's post, questioning whether customer deception has become commonplace in the industry. Many expressed skepticism, asking, "Is the pressure so high that they deceived customers? Is this a veiled criticism or a self-destructive team kill? Are all sommeliers like this? It creates a bias against them. Do sommeliers only study wine and not receive customer service training? Is it standard practice to cover up personal mistakes with lies to customers? This seems to be a common occurrence."
The controversy began when a customer, identified as A, reported on a Naver cafe that after ordering an expensive wine at Mosu Seoul, a different wine was served. A recounted, "The sommelier explained the wine while holding a bottle from the 2005 vintage, but after tasting it and checking the wine pairing list, I realized that a 2000 vintage had been served instead."
In response, Mosu Seoul issued an apology on their official social media account on the 23rd. They stated, "We sincerely apologize for the confusion caused by the lack of accurate information during the wine pairing service on the 19th. We also regret that we did not provide sufficient explanations during the follow-up, which led to significant disappointment. We have reached out to the customer to apologize personally, and while they accepted our apology graciously, we recognize that the process was inadequate given the expectations they had for our restaurant."



* This article has been translated by AI.